Electronics-salon Positive and Negative +/-24V DC Voltage Regulator Module Board,. Input voltage: +/- DC 27 ~ 35V, or dual AC 20.3 ~ 28.5V Output voltage: +/- DC 24V. Maximum output current: 10/(VinDC - VoutDC) Amp, up to 1 Amp. PCB size: L80mm x W72.5mm / L3.15 x W2.85 Module size: L80mm x W72.5mm x H43mm / L3.15 x W2.85 x H1.69